You may have seen holes made in huge hoardings and banners. Why are these necessary? Let’s find it out!
The holes, simply let the air pass through, without any resistance. When air hits the hoarding, the hoarding board acts as a barrier in its path, so the air will try to push it If the air is too strong the board won’t be able to hold it, resulting in the airflow tearing the hoarding to make its way However when there are holes in the hoarding, then then the air hitting the hoarding will find a way to pass through holes in the hoarding, and will not damage it.
Watch the video above to get the answer.
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